Pilot Watch; Slide Rules?

seikocitizen

2013-03-23 16:45 UTC

Diver's watch is pretty well defined. But what really make an aviator piece? Some would say the slide rule. Is that true?

Anyway I would like to seek consult. What is a good/your fav aviator piece (and why if possible)?

And if it is not too much; which is the best slide ruler?